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Books In Use: Mastering Your Metabolism by Jillian Michaels


Jillian Michaels’ book focuses on diet and nutrition that supports your endocrine system and hormonal balance.  The first third of the book centers on defining metabolism, key hormones, and the symptoms of an out-of-balance metabolism.  She then identifies the culprits behind our disrupted endocrine system and points to the solutions for healing.

The second third of Mastering Your Metabolism is the plan to restore your hormonal balance and health.  First, you need to remove the damage causing elements from your diet and environment.  Then, you need to restore (or add) the nutrients that support healthy endocrine function.  Lastly, you rebalance and tweak your diet for maximum effect.

The last third of the book is a kind of tool box of miscellaneous tips to maintain your newly restored metabolism including lifestyle changes, meal plans, recipes, a shopping list and more.


  • Mastering Your Metabolism is very well researched.  The back of the book is packed with endnotes, featuring articles in peer-reviewed, respected medical journals.
  • Her explanations of the functions of various hormones and how they interact with other hormones are easy to understand.
  • The plan she offers is not difficult to follow, and features a lot of common sense tips and ideas.


  • People who do not have access to a natural foods store like Whole Foods may find it difficult to find many of the recommended foods.  She does give online shopping options for nearly everything, but I think she overestimates how comfortable most people are buying perishable food over the Internet.
  • Buying organic food is expensive; some food prohibitively so.
  • There are many informative charts throughout the book that summarize some of the key hormones and corresponding information.  I didn’t like how they were placed at the end of each section; it interrupted the flow of reading and reduced my overall comprehension.
  • Some of the charts are repeated later in the book with some additional information.  I didn’t like the redundancy; it confused me.

What I Am Using:

I really liked this book and am currently using a lot of the information within it.  I had read Dr. Mark Hyman’s book Ultrametabolism: The Simple Plan for Automatic Weight Loss a few years ago, so there weren’t any surprises in Jillian Michaels’ book.  As suggested, I have now:

  • Started taking supplements every day (Multi-vitamin, Omega-3, Calcium and Magnesium)
  • I have tossed everything in my pantry or refrigerator that is processed such as white flour, sugar alcohols, MSG, artificial sweeteners, soy isolates, high fructose corn syrup, food coloring and preservatives

I have mostly or totally eliminated:

  • Caffeine
  • Alcohol
  • Sugar
  • Processed “foods”

I have added:

  • More vegetables and fruits
  • More whole grains
  • More lean meats and beans
  • Lots more water

Additional lifestyle suggestions I have implemented:

  • Getting enough sleep
  • Exercising 6 days a week
  • No eating after 9pm
  • Eliminated plastic food storage, opting for glass instead


So far, I feel great and I am losing weight. My ability to concentrate has become better and I feel rested when I wake up in the morning. I also notice it is easier for me to listen to my body and act upon its subtle cues: I stop eating when I’m stuffed,  if I do eat something sweet, I am satisfied with much less.

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